Tag Archives: Automatic Tracking System

History of Marine radio

Marine radio was first installed on ships around the turn of the 20th century. In those early days, radio was used primarily for transmission and reception of passenger telegrams. Radio watch-keeping hours were not standardized, and there was no regulatory requirement for carriage of radio by ships. Indeed, there was a general lack of regulation […]

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Automatic Identification System

The Automatic Identification System (AIS) is an automatic tracking system used by ships and vessel traffic services (VTS) for identifying and locating vessels by electronically exchanging data with other nearby ships, AIS base stations, and satellites. When satellites are used to detect AIS signatures, the term Satellite-AIS (S-AIS) is used. AIS information supplements marine radar, which continues to be the primary method of collision avoidance for water […]

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